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防病毒减害虫 果树防虫网你得这么设置!
网址:https://www.shengjiewangye.com    发布时间:2019-07-23
  近年来,病毒病发作越来越严重,本人棚里病毒病是不是大发作,这个谁也说不准,但咱菜农赌不起,因而必需要从开端就增强防备,做好预防。
  In recent years, the occurrence of viral diseases has become more and more serious. Nobody can say whether the viral diseases in my shed are a major outbreak. But we vegetable farmers can not afford to gamble. Therefore, we must strengthen our preparedness from the beginning and do a good job of prevention.
  防备病毒最有效的手腕是什么?抗病毒种类,但在抗病毒种类不成熟或没有抗病毒种类的状况下,最有效的措施就是切断病毒病的传播途径。病毒必需是活体寄生的,要停止长间隔的传播,只能经过种苗或者传毒害虫。在棚室条件下,蚜虫、粉虱等传毒害虫是病毒病传播的主要手腕,番茄TY以至只能经过烟粉虱传播。传毒害虫发作严重的时期,也是棚室蔬菜病毒病爆发严重的时期。比方小麦收获前后,是病毒病第一次集中爆发期。因而,要想防止今年蔬菜病毒病大面积爆发,就必需防好传毒害虫。
  What is the most effective way to prevent viruses? Antiviral species, but in the case of immature antiviral species or no antiviral species, the most effective measure is to cut off the route of transmission of viral diseases. Viruses must be parasitic in vivo. To stop long intervals of transmission, they can only pass through seedlings or transmitted pests. Under greenhouse conditions, aphids, whitefly and other virus-borne pests are the main means of transmission of viral diseases. Tomato TY can only be transmitted by whitefly. The period of serious outbreak of viral pests is also the period of serious outbreak of viral diseases in greenhouse vegetables. For example, before and after wheat harvest, it is the first concentrated outbreak of viral diseases. Therefore, in order to prevent the large-scale outbreak of vegetable viral diseases this year, it is necessary to prevent the spread of virus pests.
果树防虫网
  4、5月份,外界气温升高,杂草、树木、小麦等萌生,蚜虫、粉虱等跟着开端活动。蚜虫、粉虱等小型害虫,飞行才能有限,大多只在空中两米之内活动,特别是近段时间,小麦、杂草等寄主都比拟低矮,可以飞到两米以上,经过上部通风口进入棚室的蚜虫、粉虱等很少。5月份进入夏季以后,光照渐强,温度渐高,单从顶部放风难以控制棚内温度,需求放底风配合。这时,也是棚外传毒害虫迁入棚内最容易的时期,要重点预防。因而,要防止蚜虫、粉虱等传毒害虫迁入拱棚内,必需从放底风前就上好防虫网。
  In April and May, the temperature of the outside world rose, weeds, trees and wheat sprouted, and aphids and whiteflies began to move. Small pests, such as aphids and whiteflies, have limited flying ability. Most of them only move within two meters in the air. Especially in recent years, the hosts of wheat and weeds are comparatively low and can fly more than two meters. There are few aphids and whiteflies entering the shed through the upper vent. When May comes into summer, the light intensity and temperature increase gradually. It is difficult to control the temperature of the shed by ventilation from the top alone, so it is necessary to cooperate with the ventilation from the bottom. At this time, it is also the easiest time for pests transmitted outside the shed to move into the shed, so we should focus on prevention. Therefore, in order to prevent aphids, whiteflies and other insect pests from migrating into the arch shed, it is necessary to put on a good insect control net before setting off the bottom wind.
  果树防虫网设置有技巧
  Skills in Insect-proof Net Setting for Fruit Trees
  拱棚上设置防虫网,重点在于两边,必需保证防虫网严丝合缝,上部紧贴薄膜,下部紧贴空中,没有一丝空隙,以免传毒害虫飞入。
  Insect-proof nets are set on both sides of the arch shed. It is necessary to ensure that insect-proof nets are seamed tightly, the upper part is close to the film, and the lower part is close to the air. There is no space for insect pests to fly in.
  此外,还要做好棚室四周的除草工作,减少蚜虫、粉虱等的寄主,防止害虫在棚室四周驻足停留。这样,才干完整“御敌于国门之外”,将病毒病发作的可能降到最低。从如今开端,在棚内设置黄色粘虫板,每天察看一次,看能否有传毒害虫呈现。一旦发现害虫,就要及时喷洒杀虫剂,如啶虫咪、扑虱灵、阿维菌素等,以免害虫迁入棚内后繁衍危害。
  In addition, we should do a good job of weeding around the shed, reduce the hosts of aphids and whiteflies, and prevent pests from stopping around the shed. In this way, the ability to completely "resist the enemy outside the country" will minimize the possibility of the occurrence of viral diseases. From now on, yellow sticky insect boards were set up in the shed, and they were inspected once a day to see if there were any transmission pests. Once pests are found, insecticides such as pyrimidine, chlorphenanthrene and avermectin should be sprayed in time to avoid harmful reproduction of pests when they move into the shed.
  以上是果树防虫网小编为大家整理的相关内容,想要了解过更多内容,欢迎访问网站:https://www.shengjiewangye.com
  The above is the fruit tree insect control network for you to sort out the relevant content, want to know more content, welcome to visit the website: https://www.shengjiewangye.com
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